EP1864941A1 - Tête de vissage à fixation rapide - Google Patents

Tête de vissage à fixation rapide Download PDF

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Publication number
EP1864941A1
EP1864941A1 EP06115071A EP06115071A EP1864941A1 EP 1864941 A1 EP1864941 A1 EP 1864941A1 EP 06115071 A EP06115071 A EP 06115071A EP 06115071 A EP06115071 A EP 06115071A EP 1864941 A1 EP1864941 A1 EP 1864941A1
Authority
EP
European Patent Office
Prior art keywords
spring
locking
drive part
head
attachment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06115071A
Other languages
German (de)
English (en)
Inventor
Peter Moesch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Obrist Closures Switzerland GmbH
Original Assignee
Obrist Closures Switzerland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Obrist Closures Switzerland GmbH filed Critical Obrist Closures Switzerland GmbH
Priority to EP06115071A priority Critical patent/EP1864941A1/fr
Priority to PCT/EP2007/055039 priority patent/WO2007141144A1/fr
Publication of EP1864941A1 publication Critical patent/EP1864941A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/20—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps
    • B67B3/2066—Details of capping heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B2201/00—Indexing codes relating to constructional features of closing machines
    • B67B2201/10—Quick or easy connection means for connecting a capping head to a spindle

Definitions

  • the invention relates to a Tarschraubkopf with a drive part and a Tareil with the features of the preamble of the independent claims.
  • the inventive Aufschraubkopf for placing screw caps on containers has a drive part and a mounting part.
  • the drive part is typically a drive with a torque coupling for generating a rotational movement for screwing a closure onto the container.
  • the attachment part serves in a manner known per se for receiving and holding the closure and for transmitting the rotational movement to the closure.
  • the attachment has a conical part for receiving the closure in a conventional manner.
  • the drive part and the attachment part are detachably connected to one another in such a way that the attachment part can be connected to the drive part as a complete unit without tools and can be detached from it again.
  • the Aufticianeil as a whole unit, that is especially with cone part and associated head pressure spring, interchangeable, a Aufmyeil for a particular type of closure can be particularly easily replaced by a Aufmyeil for another closure.
  • the head pressure spring is included in the replaceable drive part, no forces of the head pressure spring must be taken during disassembly. This allows a connection without tools.
  • Essential in this context is that the head pressure spring is stretched in the unit of the drive part, so that when replacing a Auffacteils the head pressure spring is not relaxed.
  • the Auftician at least one spring sleeve for receiving the head pressure spring, acted upon by the head compression spring cone for receiving the cone part and a shaft which is engageable with the working part in the circumferential direction and which is rotationally secured in the circumferential direction connected to the cone neck.
  • the rotational movement can be transmitted from the drive part to the cone part.
  • the attachment can also be provided with a plunger.
  • a plunger Such plungers are known per se for Aufschraubköpfe. With a plunger an additional force in the axial direction is to be given to the closure during the screwing, for example, to give this a certain deformation.
  • the plunger is also part of the attachment part and is separated from the drive part with the entire unit of the attachment part.
  • connection between the drive part and the attachment part in the axial direction is formed by a ball connection.
  • the balls are arranged in particular in the drive part and engage in a circumferential groove on the shaft of the attachment part.
  • the mounting part is provided for secure mounting in the drive part with locking means which lock the ball in the groove in the radial direction in a locking position. In this way it is particularly easy to create a releasable connection without tools.
  • especially forces arise between the drive part and the attachment part in the circumferential direction. These are transmitted by the engaging in the drive part shaft of the attachment.
  • In the axial direction apart from the weight of the Aufmyeils no forces between the drive part and the attachment part.
  • necessary forces are generated within the Aufphineils by the head pressure spring. Because the connection between the drive part and mounting part no large axial forces, in particular train, record, it can be very simple.
  • the locking means are preferably formed from a locking sleeve, which is displaceable for releasing the connection between the drive part and the attachment part in the axial direction.
  • the connection between the drive part and the attachment part is fixed in a locking position.
  • an unlocking position the connection between the attachment part and the drive part is released, so that the attachment part can be removed from the drive part in the axial direction.
  • the attachment part has a locking spring, by means of which the locking sleeve is brought into the locking position with a predetermined spring force.
  • a locking spring by means of which the locking sleeve is brought into the locking position with a predetermined spring force.
  • the force for actuating the release mechanism that is, the force to move the locking sleeve in the axial direction can be freely selected.
  • this force is no longer dependent on the spring force of the head pressure spring.
  • the spring force of the locking spring is chosen to be smaller than the spring force of the head pressure spring.
  • the spring force of the locking spring is about 10 N to 20 N, which allows a simple manual release of the connection between the drive part and Aufjobeil.
  • the drive part is used to generate a rotational movement to be transmitted to a mounting part.
  • the drive part is provided with coupling means for detachable connection to a mounting part.
  • the coupling means are designed such that the drive part can be detachably connected without tools to the attachment part as a unit, without the attachment part having to be dismantled.
  • the coupling means of the drive part are preferably constructed by radially displaceable balls, which can be latched into a groove of the attachment part and which can be held in their latched position by means of locking means arranged on the attachment part.
  • Yet another aspect of the invention relates to a Tromeneil for a screw-on.
  • the attachment serves to hold a screw cap and to transmit a rotary motion to the screw cap.
  • the Aufmeneil is provided at least with a cone part for receiving the closure and with a head pressure spring for generating an axial force on the cone part.
  • the attachment part is detachably connected to a drive part of a screw-on head such that the attachment part can be connected as a whole unit and without a tool to the drive part and can be detached therefrom.
  • a variety of such different drive parts, in particular with different shapes of cone parts and / or with different spring forces of head pressure springs can be particularly simple due to the ease of connection and solubility connected to the drive part and replaced depending on .... application.
  • FIG. 1 shows a side view of a screwing-on head 1 according to the invention.
  • the screw-on head 1 consists of a drive part 20 and a placement part 40.
  • the drive part 20 is designed in a manner known per se with a continuously adjustable magnetic coupling.
  • the drive member 20 is connected via connecting means not shown in detail with a lifting cylinder of a locking machine.
  • the transmitted torque via the magnetic coupling is continuously adjustable in a conventional manner.
  • the attachment part 40 is provided with a cone part 41, which serves for receiving and holding a screw cap in a manner known per se.
  • the drive part 20 and the attachment part 40 can be detached from one another along a plane D without tools, so that the attachment part can be released as a whole unit from the drive part 20 in the manner shown below. In this way, a particularly simple cleanability of the Aufzineils is achieved. It is also particularly easy to exchange Aufzineile for different closure types.
  • FIG. 2 shows a plan view of the screw-on head 1 according to FIG. 1.
  • Various screws not described in detail serve to assemble the drive part 20.
  • Figure 3 shows a cross-section along the plane AA according to Figure 2.
  • the structure of the drive member 20 with the magnetic coupling, with the exception of the connection arrangement described below is not the subject of the present invention.
  • the driving part 20 will therefore not be described in detail.
  • the attachment part 40 has a shaft 45.
  • the shaft 45 can be inserted via a polygon 65 at its upper end into a polygonal socket 22 on the drive part 20. As a result, a rotational movement can be transmitted from the drive part 20 to the shaft 45.
  • the shaft 45 has a stop 66, by means of which it abuts in the axial direction on an underside 23 of the drive part 20.
  • the shaft 45 is guided in a cone neck 44.
  • a cone part 41 is arranged at the lower end of the cone neck 44.
  • the cone part 41 has an external thread 58, which is screwed into an internal thread 57 at the lower end of the cone neck 44.
  • Via a spacer ring 51 the shaft 45 is pressed by a spring 61 in the axial direction with a stop 67 against a stop 68 of the cone neck 44 and held in the cone neck 44.
  • a plunger 60 is held within the spacer ring 51.
  • the plunger 60 is movable via a punch 62 in the axial direction.
  • the punch 62 is biased by a spring 63, which bears against a stop 64 in an inner bore of the shaft 45.
  • the formation of the plunger 60 is optional. Depending on the application can also be dispensed with a plunger.
  • the cone neck 44 is guided in a spring sleeve 43.
  • a head pressure spring 42 abuts against a circumferential abutment surface 69 of the cone neck and against a stop surface 70 of the spring sleeve 43.
  • the cone neck 44 is acted upon in the axial direction A with a spring force.
  • the force of the cone spring is about 50 to 250 N. depending on the application.
  • the cone neck 44 and the spring sleeve 43 are in the axial direction by a kind of bayonet connection with radially inwardly directed projections 71 on the spring sleeve 43 and by radially to Outer projections 72 are held together at the cone neck 44.
  • a locking sleeve 47 is guided on the outside of the spring sleeve.
  • the locking sleeve 47 is movable against the force of a spring 50 in the axial direction A.
  • the locking sleeve 47 has tongues 48 projecting in the axial direction A.
  • the tongues 48 serve to lock in the manner shown below with reference to the other figures, balls of a coupling arrangement of the drive member 20 in a groove 46 on the shaft 45, so that the attachment member 40 is held in the axial direction A fixed in the drive member 20.
  • the locking sleeve 47 has a connection via webs 52 between a cylindrical, circumferential lower part and an upper, the projecting tongues 48 bearing part.
  • Figure 4 shows a section through the Aufschraubkopf 1 along the plane B-B of Figure 2.
  • the spring sleeve 43 has upwardly directed tongues 53, which on a stop surface (not specified) of the drive member 20 come into abutment. As will be shown below, the tongues 53 are spaced such that in intervals between adjacent tongues the lands 52 of the locking sleeve 43 (see Figure 2) can pass.
  • FIG. 5 shows a section along the plane CC from FIG.
  • the same reference numerals as in FIG. 4 designate the same parts.
  • balls 21 engage in the groove 46 on the shaft 45 a. These balls 21 are locked in this radial position by the projecting tongues 48 (not visible in FIG. 5).
  • anti-rotation elements 54a, 54b are shown in FIG.
  • the anti-rotation elements 54a, 54b are in the axial direction A extending recesses in the shaft 45 on the one hand and in the piston neck 44 on the other hand used (see also the following figures).
  • the anti-rotation elements 54a, 54b By the anti-rotation elements 54a, 54b, the rotational movement of the hexagon 65 of the shaft 45 on the cone neck 44 and thus transmitted to the conical part 41.
  • Corresponding recesses 55a, 55b are provided on the circumferential outer surface of the shaft 45.
  • FIG. 6 shows, in an enlarged view, the attachment part 40, but without the shaft 45 shown in the preceding figures.
  • the attachment part 40 has a cone neck 44 which is guided in the spring sleeve 43.
  • projections 73 are shown on the cone neck 44, which serve as an insertion aid for the above-described bayonet connection between the cone neck 44 and the spring sleeve 43.
  • the spring sleeve 43 has a conical stop 73, which in the axial direction, a limitation for the on the spring sleeve 43 in the axial direction A slidably guided locking sleeve 47.
  • the locking sleeve 47 has a corrugation 74, which allows easy gripping the locking sleeve 47 for moving the locking sleeve in the axial direction A.
  • the locking sleeve 47 is circumferentially cylindrical.
  • the locking sleeve has webs 52, which connect the lower cylindrical part with an upper ring part 75.
  • On the ring member 75 are distributed radially inwardly evenly distributed over the circumference six projecting in the axial direction A tongues 48 are arranged.
  • the tongues 48 have a receptacle 49 for the balls 21 of the drive part (see FIG. 5) in a locking position.
  • the tongues are provided with insertion surfaces 76.
  • the balls are due to the inclined insertion 76 in the radial direction r moves inward until they are locked in the receptacle 49.
  • FIG. 7 shows a bottom view of the attachment part 40 according to FIG. 6.
  • Recesses 56a, 56b on an inner side of the cone neck 44 serve to receive the rotation insurance elements 54a, 54b shown in FIG. (see Figure 5).
  • FIG. 8 shows a section through the attachment part 40 along the plane A-A in FIG. 7.
  • the encircling, cylindrical part of the locking sleeve 47 with the corrugation 74 is connected via the webs 52 to the ring 75 which carries the tongues 48.
  • the ring 75 forms in the radial direction A with its underside also a stop for the locking spring 50.
  • the locking spring 50 is also supported on a shoulder 77 of the spring sleeve 43.
  • the shoulder 77 forms with its bottom at the same time the stop 70 for the head pressure spring 42nd
  • Figure 9 shows an exploded view and a side view of an inventive placing member 40 together with a drive member 20 (in section and in side view).
  • the cone neck 44 is inserted with an upper, cylindrical portion in the spring sleeve 43 from below. In between, the head pressure spring 42 is clamped in the manner described above.
  • the spring sleeve 43 and the conical neck 44 by a bayonet-type connection of projections 79th formed on the inside of the spring sleeve 43 and projections 72 on the outside of the cone neck 44.
  • the shaft 45 is inserted from below into the cone neck 44, wherein the anti-rotation elements 54a, 54b serve to prevent rotation between the shaft 45 and the cone neck 44.
  • the shaft 45 is tensioned in the axial direction A with a spring 42 via a spacer ring 51.
  • the spacer ring 51 is held by the cone part 41, which is screwed with an external thread 58 into an internal thread 57 on the cone neck.
  • the locking sleeve 47 is placed over the outer cylindrical circumference of the spring sleeve 43 in the axial direction A from above.
  • the locking spring 50 is clamped between the locking sleeve 47 and the spring sleeve 43.
  • the locking sleeve 47 In a fixed position (see Figures 3 to 5), the locking sleeve 47 is held by the drive member 20 in position and can be moved to release the connection against the force of the locking spring 50 in the axial direction downward.
  • the locking sleeve 47 can be removed freely in the axial direction A upwards. It would also be conceivable to additionally provide a resistor, for example an O-ring, which allows a removal of the locking sleeve 47 only with a certain amount of force.
  • the spring sleeve 43 is provided in the manner described at its upper end in the axial direction A with tongues 53 which have spacings.
  • the tongues 53 pass through gaps 78 between the webs 52 on the locking sleeve 47.
  • the webs 52 are guided in the spaces between the tongues 53 of the spring sleeve 43.
  • the attachment part 40 can be completely disassembled without tools.
  • the head pressure spring 42 can be replaced without tools.
  • the placement part 40 can be detached from the drive part 20 without tools by simple depression of the locking sleeve 47.
  • connection between the drive part 20 and the attachment part 40 transmits only torque, no large forces need to be absorbed in the axial direction.
  • FIG. 10 shows a section along a vertical plane to the axis of the drive part 20.
  • the drive part 20 has six evenly distributed over the circumference recesses 23. Through these recesses, the protruding tongues 48 of the locking sleeve 47 can pass in the axial direction. In the radial direction, the balls 21 (only shown once in FIG. 10) are arranged in these recesses.
  • the recesses 13 and the radial openings for the balls 21 are arranged in an approximately cylindrical wall 24 of the drive part 20, which also forms the inner polygon 22 on its inside.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
EP06115071A 2006-06-07 2006-06-07 Tête de vissage à fixation rapide Withdrawn EP1864941A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06115071A EP1864941A1 (fr) 2006-06-07 2006-06-07 Tête de vissage à fixation rapide
PCT/EP2007/055039 WO2007141144A1 (fr) 2006-06-07 2007-05-24 Tête de vis à changement rapide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06115071A EP1864941A1 (fr) 2006-06-07 2006-06-07 Tête de vissage à fixation rapide

Publications (1)

Publication Number Publication Date
EP1864941A1 true EP1864941A1 (fr) 2007-12-12

Family

ID=37722649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06115071A Withdrawn EP1864941A1 (fr) 2006-06-07 2006-06-07 Tête de vissage à fixation rapide

Country Status (2)

Country Link
EP (1) EP1864941A1 (fr)
WO (1) WO2007141144A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2206676A1 (fr) * 2009-01-13 2010-07-14 Gruppo Bertolaso S.p.A. Tête de capsulage pour l'application de capsules sur des récipients
DE102011005366A1 (de) * 2011-03-10 2012-09-13 Krones Aktiengesellschaft Befestigungseinrichtung für einen wechselbaren Aufsatz an einer Behälterbehandlungsstation
IT201800009973A1 (it) * 2018-10-31 2020-05-01 Mbf Spa Gruppo di trasmissione moto per teste tappatrici per tappi a vite e macchina tappatrice dotata di tale gruppo di trasmissione moto

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201504790D0 (en) * 2015-03-20 2015-05-06 Obrist Closures Switzerland Improvements in or relating to capping heads

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0850872A1 (fr) * 1996-12-23 1998-07-01 RONCHI MARIO S.r.l. Dispositif pour le montage-démontage rapide de têtes de capsulage pour capsules ou couvercles
DE19755727C1 (de) * 1997-12-15 1999-01-21 Bosch Gmbh Robert Schnellwechseleinrichtung für einen Formatkopf an einer Behälterbehandlungsstation
US20010054273A1 (en) * 2000-06-21 2001-12-27 Bertrand Gruson Screw-tightening spindle fitted with a removable chuck
EP1245525A1 (fr) * 2001-03-30 2002-10-02 RONCHI MARIO S.p A. Dispositif pour le montage-démontage rapide de têtes de capsulage
EP1273551A1 (fr) * 2001-07-05 2003-01-08 MBF S.p.A. Tête à capsuler pour machine à capsuler
EP1295842A1 (fr) * 2001-09-19 2003-03-26 Mauro Lenzi Appareil de capsulage de récipients avec des capsules à vis en plastique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6240678B1 (en) * 1998-07-09 2001-06-05 Karl Heinz Spether Capping head with torque adjustment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0850872A1 (fr) * 1996-12-23 1998-07-01 RONCHI MARIO S.r.l. Dispositif pour le montage-démontage rapide de têtes de capsulage pour capsules ou couvercles
DE19755727C1 (de) * 1997-12-15 1999-01-21 Bosch Gmbh Robert Schnellwechseleinrichtung für einen Formatkopf an einer Behälterbehandlungsstation
US20010054273A1 (en) * 2000-06-21 2001-12-27 Bertrand Gruson Screw-tightening spindle fitted with a removable chuck
EP1245525A1 (fr) * 2001-03-30 2002-10-02 RONCHI MARIO S.p A. Dispositif pour le montage-démontage rapide de têtes de capsulage
EP1273551A1 (fr) * 2001-07-05 2003-01-08 MBF S.p.A. Tête à capsuler pour machine à capsuler
EP1295842A1 (fr) * 2001-09-19 2003-03-26 Mauro Lenzi Appareil de capsulage de récipients avec des capsules à vis en plastique

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2206676A1 (fr) * 2009-01-13 2010-07-14 Gruppo Bertolaso S.p.A. Tête de capsulage pour l'application de capsules sur des récipients
ITPD20090004A1 (it) * 2009-01-13 2010-07-14 Gruppo Bertolaso Spa Testa di tappatura per l'applicazione di tappi su contenitori
DE102011005366A1 (de) * 2011-03-10 2012-09-13 Krones Aktiengesellschaft Befestigungseinrichtung für einen wechselbaren Aufsatz an einer Behälterbehandlungsstation
US9221662B2 (en) 2011-03-10 2015-12-29 Krones Ag Fastening device for a changeable attachment at a container handling station
IT201800009973A1 (it) * 2018-10-31 2020-05-01 Mbf Spa Gruppo di trasmissione moto per teste tappatrici per tappi a vite e macchina tappatrice dotata di tale gruppo di trasmissione moto
EP3647256A1 (fr) * 2018-10-31 2020-05-06 MBF S.p.A. Groupe de transmission de mouvement pour têtes de bouchage pour des bouchons a vis
US11174142B2 (en) 2018-10-31 2021-11-16 Mbf S.P.A. Motion transmission group for capping heads for screw caps and capping machine equipped with such a motion transmission group

Also Published As

Publication number Publication date
WO2007141144A1 (fr) 2007-12-13

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